multiply: 2y + 1; y^2 - 2y^3 + 3y.
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Answer:
- 4y⁴ + 7y²+ 3y
Step-by-step explanation:
(2y + 1)( y² - 2y³ + 3y) = 2y( y² - 2y³ + 3y) + 1( y² - 2y³ + 3y)
= (2y³ - 4y⁴ + 6y²) + (y² - 2y³ + 3y)
= 2y³ - 4y⁴ + 6y² + y² - 2y³ + 3y
= - 4y⁴ + 7y²+ 3y
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